To cause (a feeling) to be less intense.
To cause to become numb (physically or emotionally).
To cause (the mind, faculties, etc.) to be less acute.
To become numb (especially physically).
Physically unable to feel, not having the power of sensation.
Emotionally unable to feel or respond in a normal way.
To render capable of being acted on by actinic rays of light.
To make (someone) increasingly aware of, in a concerned or sensitive way.
To make (someone or something) sensitive or responsive to certain stimuli.